package com.mmall.util;

import org.apache.commons.lang3.StringUtils;

public class LevelUtil {

    public final static String SEPARATOR = ".";

    public final static String ROOT = "0";

    public static String calculateLevel(String parentLevel, int parentId) {
        if (StringUtils.isBlank(parentLevel)){

            return ROOT;
        }else {

            return StringUtils.join(parentLevel,SEPARATOR,parentId);
        }



    }

}
















